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Showing 1 - 20 of 79 results

  1. Achnanthes didyma fo. didyma Hustedt

    Form, Diatom

  2. Achnanthes linearis fo. curta H.L. Smith ex Boyer, 1916

    Form, Diatom

  3. Actinocyclus normanii f. subsalsa (Juhlin-Dannfelt) Hustedt, 1957

    Form, Diatom

  4. Anomoeoneis sphaerophora form sculpta (Ehrenb.) Krammer, 1977

    Form, Diatom

  5. Aulacoseira italica form curvata (Pant.) Hust.

    Form, Diatom

  6. Aulacoseira subarctica f. subborealis (G. Nygaard) E.Y. Haworth

    Form, Diatom

  7. Aulacoseira subarctica form recta (O. Müll.) Krammer, 1990

    Form, Diatom

  8. Brachysira brebissonii form thermalis (Grunow in Van Heurck) R. Ross in B. Hartley, 1986

    Form, Diatom

  9. Brachysira zellensis form difficilis (Grunow in Van Heurck) P.B. Hamilton, 1992

    Form, Diatom

  10. Caloneis silicula form peisonis (Grunow) Krammer, 1985

    Form, Diatom

  11. Cavinula cocconeiformis form parva

    Form, Diatom

  12. Craticula halophila form robusta (Hust.) Czarn., 1994

    Form, Diatom

  13. Craticula halophila form tenuirostris (Hust.) Czarn., 1994

    Form, Diatom

  14. Cymatopleura elliptica form apiculata W. Sm., 1857

    Form, Diatom

  15. Cymbella microcephala form microcephala Grun. in Van Heurck

    Form, Diatom

  16. Cymbella microcephala form robusta Hust., 1939

    Form, Diatom

  17. Diatomella balfouriana form constricta Krasske ex Hust., 1930

    Form, Diatom

  18. Diploneis subconstricta fo. alpina (Meist.) A. Cleve-Euler, 1953

    Form, Diatom

  19. Ellerbeckia arenaria form teres (Brun) R.M. Crawford, 1988

    Form, Diatom

  20. Eunotia exigua form linearis Krasske, 1932

    Form, Diatom